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315 Hydraulic Excavator

315 Hydraulic Excavator

At a Glance

Net Power - ISO 9249
108 HP
Operating Weight
34000 lb
Maximum Digging Depth
19.6 ft
Engine Model
Cat C3.6
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The Cat® 315 excavator offers superior performance in a compact design. Standard, easy-to-use Cat technologies boost operator efficiencies and improve jobsite productivity while a large, ergonomic cab provides a comfortable working environment. Combined with simplified maintenance points, the 315 keeps you working, quickly and efficiently.


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Net Power - ISO 9249 108HP
Engine Model Cat C3.6
Engine Power - ISO 14396 110HP
Bore 4in
Stroke 5in
Displacement 220in³


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Operating Weight 34000lb

Working Ranges & Forces

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Maximum Digging Depth 19.6ft
Boom Reach 4.65 m (15'3")
Stick Reach R3.0 m (9'10")
Bucket GD 0.53 m³ (0.69 yd³)
Maximum Reach at Ground Level 28.5ft
Maximum Cutting Height 31.7ft
Maximum Loading Height 23.6ft
Minimum Loading Height 6.8ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 19ft
Maximum Vertical Wall Digging Depth 16.9ft
Minimum Working Equipment Radius 7.3ft
Bucket Digging Force - ISO 22180lbf
Stick Digging Force - ISO 13330lbf

Hydraulic System

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Main System - Maximum Flow 276 l/min (73 gal/min)
Maximum Pressure - Equipment 5075psi
Maximum Pressure - Travel 5075psi
Maximum Pressure - Swing 3770psi

Swing Mechanism

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Swing Speed 12r/min
Maximum Swing Torque 25815ft·lbf

Service Refill Capacities

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Fuel Tank Capacity 49gal (US)
Cooling System 4gal (US)
Engine Oil 2gal (US)
Final Drive - Each 1gal (US)
Hydraulic System - Including Tank 22.5gal (US)
Hydraulic Tank 19gal (US)
DEF Tank 6gal (US)


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Boom Reach 4.65 m (15'3")
Stick Reach R3.0 m (9'10")
Bucket GD 0.53 m³ (0.69 yd³)
Shipping Height - Top of Cab 9.2ft
Handrail Height 9.3ft
Shipping Length 24.7ft
Shipping Length - with Blade 26.5ft
Tail Swing Radius 5.1ft
Counterweight Clearance 2.8ft
Ground Clearance 1.4ft
Track Length 12.3ft
Length to Center of Rollers 9.9ft
Track Gauge 6.5ft
Transport Width 8.1ft

Air Conditioning System

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Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.8 hg of refrigerant which has a CO2 equivalent of 1.144 metric tonnes.


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Recyclability 95%